Betty G. Birney

Humphrey has always investigated things, like why Speak-Up-Sayeh was so quiet and Tall-Paul and Small-Paul didn't get along, but this is a true mystery - Mrs. Brisbane is missing....

You can learn a lot about life by observing another species. That's what Humphrey was told when he was first brought to Room 26. And boy, is it true! In addition to having FUN-FUN-FUN in class, each weekend this amazing hamster gets to sleep over with a different student....

Spring is in the air, and lots of things are growing - including the Room 26 family! Signs of spring are very exciting to everyone at Longfellow School. Mrs. Brisbane's class has seen flowers poking out of snow and baby birds hatching, and Just-Joey even brought in tadpoles....

Humphrey is unsqueakably excited—a special guest is coming to Room 26! But when he sees who it is, he’s SHOCKED-SHOCKED-SHOCKED. The guest is a big dog! And Mrs. Brisbane doesn’t seem worried at all! Luckily, this dog is very gentle.

The sixth book in the beloved and award-winning school hamster series! When Humphrey hears that school is ending, he can't believe his ears. What's a classroom hamster to do if there's no more school? It turns out that Mrs. Brisbane has planned something thrilling....

The fifth book in the beloved and award-winning school hamster series! The students in Room 26 are learning about boats and building their own for a race on Potter's Pond. Humphrey the hamster loves dreaming about being a pirate and watching his friends build ships....

When Og the Frog first comes to Room 26, he doesn't know what to think. He misses his friends from the pond, there are all kinds of strange noises, and the water is his tank might be too clean. But the furry, squeaky fellow living next to him is entertaining and the kids are friendly....

After the holidays, Humphrey is shocked by a big surprise in Room 26—a new class pet! Humphrey tries to be welcoming, but Og the frog doesn't respond to any of his friendly squeaks or visits (remember, he has a lock-that-doesn't-lock). Plus, the students are so interested in Og....

In the second book in the Og the Frog spinoff of the Humphrey series, Og is ready for adventure and is jumping at the chance to help kids be brave....

Og didn't know where he would end up when school was over, but it turns out Camp Happy Hollow is just about the best place ever....

Humphrey loves to solve problems for his classmates in Room 26, but he never meant to create one! Golden-Miranda, one of his favorite students, gets blamed when Humphrey is caught outside of his cage....

A classroom hamster has to be ready for anything, but suddenly there are LOTS-LOTS-LOTS of big surprises in Humphrey's world. Some are exciting, like a new hamster ball. But some are scary, like a run-in with a cat and a new janitor who might be from another planet....

A new school year and new friends for everyone's favorite classroom pet! Humphrey is excited to get back to Room 26 and see all his old classmates. But on the first day of school, a bunch of strange kids arrive....

The holidays are coming and Humphrey is unsqueakably excited. He loves to hear about all the different ways his friends in Room 26 celebrate....

When Eben McAllister reads about the Seven Wonders of the World, he longs to escape the small farming community of Sassafras Springs and do some exploring of his own....

Humphrey has always investigated things, like why Speak-Up-Sayeh was so quiet and Tall-Paul and Small-Paul didn't get along, but this is a true mystery - Mrs. Brisbane is missing....

Humphrey's eleventh adventure celebrates stories, writing, and the power of the imagination....

So many secrets are flying around Room 26 that Humphrey can barely keep track. Mrs. Brisbane knows a student is leaving, but Humphrey can't figure out which one....